1 files changed, 242 insertions, 168 deletions
diff --git a/plugins/base/src/main/kotlin/transformers/documentables/DefaultDocumentableMerger.kt b/plugins/base/src/main/kotlin/transformers/documentables/DefaultDocumentableMerger.kt
index 17ead667..d556c9cb 100644
--- a/plugins/base/src/main/kotlin/transformers/documentables/DefaultDocumentableMerger.kt
+++ b/plugins/base/src/main/kotlin/transformers/documentables/DefaultDocumentableMerger.kt
@@ -1,195 +1,269 @@
 package org.jetbrains.dokka.base.transformers.documentables
 
+import org.jetbrains.dokka.DokkaConfiguration
+import org.jetbrains.dokka.DokkaSourceSetID
 import org.jetbrains.dokka.model.*
+import org.jetbrains.dokka.model.properties.WithExtraProperties
 import org.jetbrains.dokka.model.properties.mergeExtras
 import org.jetbrains.dokka.plugability.DokkaContext
 import org.jetbrains.dokka.transformers.documentation.DocumentableMerger
 import org.jetbrains.kotlin.utils.addToStdlib.firstNotNullResult
+import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 
-internal object DefaultDocumentableMerger : DocumentableMerger {
+internal class DefaultDocumentableMerger(context: DokkaContext) : DocumentableMerger {
+    private val dependencyInfo = context.getDependencyInfo()
 
-    override fun invoke(modules: Collection<DModule>, context: DokkaContext): DModule {
 
-        return modules.reduce { left, right ->
+    override fun invoke(modules: Collection<DModule>): DModule {
+
+        return topologicalSort(modules).reduce { left, right ->
             val list = listOf(left, right)
             DModule(
                 name = modules.map { it.name }.distinct().joinToString("|"),
                 packages = merge(
-                    list.flatMap { it.packages },
-                    DPackage::mergeWith
-                ),
+                    list.flatMap { it.packages }
+                ) { pck1, pck2 -> pck1.mergeWith(pck2) },
                 documentation = list.map { it.documentation }.flatMap { it.entries }.associate { (k, v) -> k to v },
                 expectPresentInSet = list.firstNotNullResult { it.expectPresentInSet },
                 sourceSets = list.flatMap { it.sourceSets }.toSet()
             ).mergeExtras(left, right)
         }
     }
-}
 
-private fun <T : Documentable> merge(elements: List<T>, reducer: (T, T) -> T): List<T> =
-    elements.groupingBy { it.dri }
-        .reduce { _, left, right -> reducer(left, right) }
-        .values.toList()
+    private fun topologicalSort(allModules: Collection<DModule>): List<DModule> {
 
-private fun <T> mergeExpectActual(
-    elements: List<T>,
-    reducer: (T, T) -> T
-): List<T> where T : Documentable, T : WithExpectActual {
+        val modulesMap: Map<DokkaSourceSetID, ModuleOfDifferentTranslators> =
+            allModules.groupBy { it.sourceSets.single().sourceSetID }
 
-    fun analyzeExpectActual(sameDriElements: List<T>) = sameDriElements.reduce(reducer)
+        //this returns representation of graph where directed edges are leading from module to modules that depend on it
+        val graph: Map<ModuleOfDifferentTranslators?, List<ModuleOfDifferentTranslators>> = modulesMap.flatMap { (_, module) ->
+            module.first().sourceSets.single().dependentSourceSets.map { sourceSet ->
+                modulesMap[sourceSet] to module
+            }
+        }.groupBy { it.first }.entries
+            .map { it.key to it.value.map { it.second } }
+            .toMap()
 
-    return elements.groupBy { it.dri }.values.map(::analyzeExpectActual)
-}
 
-fun DPackage.mergeWith(other: DPackage): DPackage = copy(
-    functions = mergeExpectActual(functions + other.functions, DFunction::mergeWith),
-    properties = mergeExpectActual(properties + other.properties, DProperty::mergeWith),
-    classlikes = mergeExpectActual(classlikes + other.classlikes, DClasslike::mergeWith),
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    typealiases = merge(typealiases + other.typealiases, DTypeAlias::mergeWith),
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
-
-fun DFunction.mergeWith(other: DFunction): DFunction = copy(
-    parameters = merge(this.parameters + other.parameters, DParameter::mergeWith),
-    receiver = receiver?.let { r -> other.receiver?.let { r.mergeWith(it) } ?: r } ?: other.receiver,
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sources = sources + other.sources,
-    visibility = visibility + other.visibility,
-    modifier = modifier + other.modifier,
-    sourceSets = sourceSets + other.sourceSets,
-    generics = merge(generics + other.generics, DTypeParameter::mergeWith)
-).mergeExtras(this, other)
-
-fun DProperty.mergeWith(other: DProperty): DProperty = copy(
-    receiver = receiver?.let { r -> other.receiver?.let { r.mergeWith(it) } ?: r } ?: other.receiver,
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sources = sources + other.sources,
-    visibility = visibility + other.visibility,
-    modifier = modifier + other.modifier,
-    sourceSets = sourceSets + other.sourceSets,
-    getter = getter?.let { g -> other.getter?.let { g.mergeWith(it) } ?: g } ?: other.getter,
-    setter = setter?.let { s -> other.setter?.let { s.mergeWith(it) } ?: s } ?: other.setter,
-    generics = merge(generics + other.generics, DTypeParameter::mergeWith)
-).mergeExtras(this, other)
-
-fun DClasslike.mergeWith(other: DClasslike): DClasslike = when {
-    this is DClass && other is DClass -> mergeWith(other)
-    this is DEnum && other is DEnum -> mergeWith(other)
-    this is DInterface && other is DInterface -> mergeWith(other)
-    this is DObject && other is DObject -> mergeWith(other)
-    this is DAnnotation && other is DAnnotation -> mergeWith(other)
-    else -> throw IllegalStateException("${this::class.qualifiedName} ${this.name} cannot be mergesd with ${other::class.qualifiedName} ${other.name}")
+        val visited = modulesMap.map { it.value to false }.toMap().toMutableMap()
+        val topologicalSortedList: MutableList<ModuleOfDifferentTranslators> = mutableListOf()
+
+        fun dfs(module: ModuleOfDifferentTranslators) {
+            visited[module] = true
+            graph[module]?.forEach { if (!visited[it]!!) dfs(it) }
+            topologicalSortedList.add(0, module)
+        }
+        modulesMap.values.forEach { if (!visited[it]!!) dfs(it) }
+
+        return topologicalSortedList.flatten()
+    }
+
+    private fun DokkaContext.getDependencyInfo()
+            : Map<DokkaConfiguration.DokkaSourceSet, List<DokkaConfiguration.DokkaSourceSet>> {
+
+        fun getDependencies(sourceSet: DokkaConfiguration.DokkaSourceSet): List<DokkaConfiguration.DokkaSourceSet> =
+            listOf(sourceSet) + configuration.sourceSets.filter {
+                it.sourceSetID in sourceSet.dependentSourceSets
+            }.flatMap { getDependencies(it) }
+
+        return configuration.sourceSets.map { it to getDependencies(it) }.toMap()
+    }
+
+    private fun <T : Documentable> merge(elements: List<T>, reducer: (T, T) -> T): List<T> =
+        elements.groupingBy { it.dri }
+            .reduce { _, left, right -> reducer(left, right) }
+            .values.toList()
+
+    private fun <T> mergeExpectActual(
+        elements: List<T>,
+        reducer: (T, T) -> T
+    ): List<T> where T : Documentable, T : WithExpectActual {
+
+        fun analyzeExpectActual(sameDriElements: List<T>) = sameDriElements
+            .partition { it.expectPresentInSet != null }
+            .let { (expects, actuals) ->
+                expects.map { expect ->
+                    listOf(expect) + actuals.filter { actual ->
+                        dependencyInfo[actual.sourceSets.single()]
+                            ?.contains(expect.expectPresentInSet!!)
+                            ?: throw IllegalStateException("Cannot resolve expect/actual relation for ${actual.name}")
+                    }
+                }.map { it.reduce(reducer) }
+            }
+
+        fun T.isExpectActual(): Boolean =
+            this.safeAs<WithExtraProperties<T>>().let { it != null && it.extra[IsExpectActual] != null }
+
+        fun mergeClashingElements(elements: List<T>) = if(elements.size <= 1) elements else elements.map {
+            when(it) {
+                is DClass -> it.copy(name = "${it.name}(${it.sourceSets.single().analysisPlatform.key})")
+                is DObject -> it.copy(name = "${it.name}(${it.sourceSets.single().analysisPlatform.key})")
+                is DAnnotation -> it.copy(name = "${it.name}(${it.sourceSets.single().analysisPlatform.key})")
+                is DInterface -> it.copy(name = "${it.name}(${it.sourceSets.single().analysisPlatform.key})")
+                is DEnum -> it.copy(name = "${it.name}(${it.sourceSets.single().analysisPlatform.key})")
+                is DFunction -> it.copy(name = "${it.name}(${it.sourceSets.single().analysisPlatform.key})")
+                is DProperty -> it.copy(name = "${it.name}(${it.sourceSets.single().analysisPlatform.key})")
+                else -> elements
+            }
+        } as List<T>
+
+        return elements.partition {
+            it.isExpectActual()
+        }.let { (expectActuals, notExpectActuals) ->
+            notExpectActuals.groupBy { it.dri }.values.flatMap(::mergeClashingElements) +
+                expectActuals.groupBy { it.dri }.values.flatMap(::analyzeExpectActual)
+        }
+    }
+
+    fun DPackage.mergeWith(other: DPackage): DPackage = copy(
+        functions = mergeExpectActual(functions + other.functions) { f1, f2 -> f1.mergeWith(f2) },
+        properties = mergeExpectActual(properties + other.properties) { p1, p2 -> p1.mergeWith(p2) },
+        classlikes = mergeExpectActual(classlikes + other.classlikes) { c1, c2 -> c1.mergeWith(c2) },
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        typealiases = merge(typealiases + other.typealiases) { ta1, ta2 -> ta1.mergeWith(ta2) },
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
+
+    fun DFunction.mergeWith(other: DFunction): DFunction = copy(
+        parameters = merge(this.parameters + other.parameters) { p1, p2 -> p1.mergeWith(p2) },
+        receiver = receiver?.let { r -> other.receiver?.let { r.mergeWith(it) } ?: r } ?: other.receiver,
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sources = sources + other.sources,
+        visibility = visibility + other.visibility,
+        modifier = modifier + other.modifier,
+        sourceSets = sourceSets + other.sourceSets,
+        generics = merge(generics + other.generics) { tp1, tp2 -> tp1.mergeWith(tp2) },
+    ).mergeExtras(this, other)
+
+    fun DProperty.mergeWith(other: DProperty): DProperty = copy(
+        receiver = receiver?.let { r -> other.receiver?.let { r.mergeWith(it) } ?: r } ?: other.receiver,
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sources = sources + other.sources,
+        visibility = visibility + other.visibility,
+        modifier = modifier + other.modifier,
+        sourceSets = sourceSets + other.sourceSets,
+        getter = getter?.let { g -> other.getter?.let { g.mergeWith(it) } ?: g } ?: other.getter,
+        setter = setter?.let { s -> other.setter?.let { s.mergeWith(it) } ?: s } ?: other.setter,
+        generics = merge(generics + other.generics) { tp1, tp2 -> tp1.mergeWith(tp2) },
+    ).mergeExtras(this, other)
+
+    fun DClasslike.mergeWith(other: DClasslike): DClasslike = when {
+        this is DClass && other is DClass -> mergeWith(other)
+        this is DEnum && other is DEnum -> mergeWith(other)
+        this is DInterface && other is DInterface -> mergeWith(other)
+        this is DObject && other is DObject -> mergeWith(other)
+        this is DAnnotation && other is DAnnotation -> mergeWith(other)
+        else -> throw IllegalStateException("${this::class.qualifiedName} ${this.name} cannot be merged with ${other::class.qualifiedName} ${other.name}")
+    }
+
+    fun DClass.mergeWith(other: DClass): DClass = copy(
+        constructors = mergeExpectActual(
+            constructors + other.constructors
+        ) { f1, f2 -> f1.mergeWith(f2) },
+        functions = mergeExpectActual(functions + other.functions) { f1, f2 -> f1.mergeWith(f2) },
+        properties = mergeExpectActual(properties + other.properties) { p1, p2 -> p1.mergeWith(p2) },
+        classlikes = mergeExpectActual(classlikes + other.classlikes) { c1, c2 -> c1.mergeWith(c2) },
+        companion = companion?.let { c -> other.companion?.let { c.mergeWith(it) } ?: c } ?: other.companion,
+        generics = merge(generics + other.generics) { tp1, tp2 -> tp1.mergeWith(tp2) },
+        modifier = modifier + other.modifier,
+        supertypes = supertypes + other.supertypes,
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sources = sources + other.sources,
+        visibility = visibility + other.visibility,
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
+
+    fun DEnum.mergeWith(other: DEnum): DEnum = copy(
+        entries = merge(entries + other.entries) { ee1, ee2 -> ee1.mergeWith(ee2) },
+        constructors = mergeExpectActual(
+            constructors + other.constructors
+        ) { f1, f2 -> f1.mergeWith(f2) },
+        functions = mergeExpectActual(functions + other.functions) { f1, f2 -> f1.mergeWith(f2) },
+        properties = mergeExpectActual(properties + other.properties) { p1, p2 -> p1.mergeWith(p2) },
+        classlikes = mergeExpectActual(classlikes + other.classlikes) { c1, c2 -> c1.mergeWith(c2) },
+        companion = companion?.let { c -> other.companion?.let { c.mergeWith(it) } ?: c } ?: other.companion,
+        supertypes = supertypes + other.supertypes,
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sources = sources + other.sources,
+        visibility = visibility + other.visibility,
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
+
+    fun DEnumEntry.mergeWith(other: DEnumEntry): DEnumEntry = copy(
+        functions = mergeExpectActual(functions + other.functions) { f1, f2 -> f1.mergeWith(f2) },
+        properties = mergeExpectActual(properties + other.properties) { p1, p2 -> p1.mergeWith(p2) },
+        classlikes = mergeExpectActual(classlikes + other.classlikes) { c1, c2 -> c1.mergeWith(c2) },
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
+
+    fun DObject.mergeWith(other: DObject): DObject = copy(
+        functions = mergeExpectActual(functions + other.functions) { f1, f2 -> f1.mergeWith(f2) },
+        properties = mergeExpectActual(properties + other.properties) { p1, p2 -> p1.mergeWith(p2) },
+        classlikes = mergeExpectActual(classlikes + other.classlikes) { c1, c2 -> c1.mergeWith(c2) },
+        supertypes = supertypes + other.supertypes,
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sources = sources + other.sources,
+        visibility = visibility + other.visibility,
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
+
+    fun DInterface.mergeWith(other: DInterface): DInterface = copy(
+        functions = mergeExpectActual(functions + other.functions) { f1, f2 -> f1.mergeWith(f2) },
+        properties = mergeExpectActual(properties + other.properties) { p1, p2 -> p1.mergeWith(p2) },
+        classlikes = mergeExpectActual(classlikes + other.classlikes) { c1, c2 -> c1.mergeWith(c2) },
+        companion = companion?.let { c -> other.companion?.let { c.mergeWith(it) } ?: c } ?: other.companion,
+        generics = merge(generics + other.generics) { tp1, tp2 -> tp1.mergeWith(tp2) },
+        supertypes = supertypes + other.supertypes,
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sources = sources + other.sources,
+        visibility = visibility + other.visibility,
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
+
+    fun DAnnotation.mergeWith(other: DAnnotation): DAnnotation = copy(
+        constructors = mergeExpectActual(
+            constructors + other.constructors
+        ) { f1, f2 -> f1.mergeWith(f2) },
+        functions = mergeExpectActual(functions + other.functions) { f1, f2 -> f1.mergeWith(f2) },
+        properties = mergeExpectActual(properties + other.properties) { p1, p2 -> p1.mergeWith(p2) },
+        classlikes = mergeExpectActual(classlikes + other.classlikes) { c1, c2 -> c1.mergeWith(c2) },
+        companion = companion?.let { c -> other.companion?.let { c.mergeWith(it) } ?: c } ?: other.companion,
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sources = sources + other.sources,
+        visibility = visibility + other.visibility,
+        sourceSets = sourceSets + other.sourceSets,
+        generics = merge(generics + other.generics) { tp1, tp2 -> tp1.mergeWith(tp2) }
+    ).mergeExtras(this, other)
+
+    fun DParameter.mergeWith(other: DParameter): DParameter = copy(
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
+
+    fun DTypeParameter.mergeWith(other: DTypeParameter): DTypeParameter = copy(
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
+
+    fun DTypeAlias.mergeWith(other: DTypeAlias): DTypeAlias = copy(
+        documentation = documentation + other.documentation,
+        expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
+        underlyingType = underlyingType + other.underlyingType,
+        visibility = visibility + other.visibility,
+        sourceSets = sourceSets + other.sourceSets
+    ).mergeExtras(this, other)
 }
 
-fun DClass.mergeWith(other: DClass): DClass = copy(
-    constructors = mergeExpectActual(
-        constructors + other.constructors,
-        DFunction::mergeWith
-    ),
-    functions = mergeExpectActual(functions + other.functions, DFunction::mergeWith),
-    properties = mergeExpectActual(properties + other.properties, DProperty::mergeWith),
-    classlikes = mergeExpectActual(classlikes + other.classlikes, DClasslike::mergeWith),
-    companion = companion?.let { c -> other.companion?.let { c.mergeWith(it) } ?: c } ?: other.companion,
-    generics = merge(generics + other.generics, DTypeParameter::mergeWith),
-    modifier = modifier + other.modifier,
-    supertypes = supertypes + other.supertypes,
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sources = sources + other.sources,
-    visibility = visibility + other.visibility,
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
-
-fun DEnum.mergeWith(other: DEnum): DEnum = copy(
-    entries = merge(entries + other.entries, DEnumEntry::mergeWith),
-    constructors = mergeExpectActual(
-        constructors + other.constructors,
-        DFunction::mergeWith
-    ),
-    functions = mergeExpectActual(functions + other.functions, DFunction::mergeWith),
-    properties = mergeExpectActual(properties + other.properties, DProperty::mergeWith),
-    classlikes = mergeExpectActual(classlikes + other.classlikes, DClasslike::mergeWith),
-    companion = companion?.let { c -> other.companion?.let { c.mergeWith(it) } ?: c } ?: other.companion,
-    supertypes = supertypes + other.supertypes,
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sources = sources + other.sources,
-    visibility = visibility + other.visibility,
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
-
-fun DEnumEntry.mergeWith(other: DEnumEntry): DEnumEntry = copy(
-    functions = mergeExpectActual(functions + other.functions, DFunction::mergeWith),
-    properties = mergeExpectActual(properties + other.properties, DProperty::mergeWith),
-    classlikes = mergeExpectActual(classlikes + other.classlikes, DClasslike::mergeWith),
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
-
-fun DObject.mergeWith(other: DObject): DObject = copy(
-    functions = mergeExpectActual(functions + other.functions, DFunction::mergeWith),
-    properties = mergeExpectActual(properties + other.properties, DProperty::mergeWith),
-    classlikes = mergeExpectActual(classlikes + other.classlikes, DClasslike::mergeWith),
-    supertypes = supertypes + other.supertypes,
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sources = sources + other.sources,
-    visibility = visibility + other.visibility,
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
-
-fun DInterface.mergeWith(other: DInterface): DInterface = copy(
-    functions = mergeExpectActual(functions + other.functions, DFunction::mergeWith),
-    properties = mergeExpectActual(properties + other.properties, DProperty::mergeWith),
-    classlikes = mergeExpectActual(classlikes + other.classlikes, DClasslike::mergeWith),
-    companion = companion?.let { c -> other.companion?.let { c.mergeWith(it) } ?: c } ?: other.companion,
-    generics = merge(generics + other.generics, DTypeParameter::mergeWith),
-    supertypes = supertypes + other.supertypes,
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sources = sources + other.sources,
-    visibility = visibility + other.visibility,
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
-
-fun DAnnotation.mergeWith(other: DAnnotation): DAnnotation = copy(
-    constructors = mergeExpectActual(
-        constructors + other.constructors,
-        DFunction::mergeWith
-    ),
-    functions = mergeExpectActual(functions + other.functions, DFunction::mergeWith),
-    properties = mergeExpectActual(properties + other.properties, DProperty::mergeWith),
-    classlikes = mergeExpectActual(classlikes + other.classlikes, DClasslike::mergeWith),
-    companion = companion?.let { c -> other.companion?.let { c.mergeWith(it) } ?: c } ?: other.companion,
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sources = sources + other.sources,
-    visibility = visibility + other.visibility,
-    sourceSets = sourceSets + other.sourceSets,
-    generics = merge(generics + other.generics, DTypeParameter::mergeWith)
-).mergeExtras(this, other)
-
-fun DParameter.mergeWith(other: DParameter): DParameter = copy(
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
-
-fun DTypeParameter.mergeWith(other: DTypeParameter): DTypeParameter = copy(
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
-
-fun DTypeAlias.mergeWith(other: DTypeAlias): DTypeAlias = copy(
-    documentation = documentation + other.documentation,
-    expectPresentInSet = expectPresentInSet ?: other.expectPresentInSet,
-    underlyingType = underlyingType + other.underlyingType,
-    visibility = visibility + other.visibility,
-    sourceSets = sourceSets + other.sourceSets
-).mergeExtras(this, other)
+private typealias ModuleOfDifferentTranslators = List<DModule>